| IRIS | integrated risk information system; interleukin regulation of immune system; International Research ... |
|---|---|
| LIS | laboratory information system; lateral intercellular space; left intercostal space; library informat... |
| MIS | management information system; medical information service; meiosis-inducing substance; minimally in... |
| NTIS | National Technical Information Service |
| NCTC | National Cancer Tissue Culture; National Collection of Type Cultures |